using System;

public class Program

{

    public static void Main()

    {

        int num1, num2;

        Console.Write("Input the first number :");

        num1 = Convert.ToInt32(Console.ReadLine());

        Console.Write("Input the scond number :");

        num2 = Convert.ToInt32(Console.ReadLine());

        for (; num1 <= num2; num1++)

        {

            if(num1%2==0)

            {

                Console.WriteLine(num1);

            }

            else

            {

            }

        }

    }

}

​